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[LoongArch] Pre-commit test for _BitInt(N)
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‎clang/test/CodeGen/LoongArch/bitint.c

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// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 5
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// RUN: %clang_cc1 -triple loongarch32 -fexperimental-max-bitint-width=1024 -emit-llvm %s -o - | FileCheck %s --check-prefix=LA32
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// RUN: %clang_cc1 -triple loongarch64 -fexperimental-max-bitint-width=1024 -emit-llvm %s -o - | FileCheck %s --check-prefix=LA64
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/// Testing the alignment and size of _BitInt(N) for different values of N.
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void pass_BitInt7(_BitInt(7));
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void pass_BitInt65(_BitInt(65));
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void pass_BitInt129(_BitInt(129));
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// LA32-LABEL: define dso_local void @example_BitInt(
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// LA32-SAME: ) #[[ATTR0:[0-9]+]] {
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// LA32-NEXT: [[ENTRY:.*:]]
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// LA32-NEXT: [[L7:%.*]] = alloca i8, align 1
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// LA32-NEXT: [[L65:%.*]] = alloca i128, align 8
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// LA32-NEXT: [[L129:%.*]] = alloca i192, align 8
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// LA32-NEXT: [[BYVAL_TEMP:%.*]] = alloca i128, align 8
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// LA32-NEXT: [[BYVAL_TEMP3:%.*]] = alloca i192, align 8
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// LA32-NEXT: store i8 0, ptr [[L7]], align 1
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// LA32-NEXT: store i128 0, ptr [[L65]], align 8
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// LA32-NEXT: store i192 0, ptr [[L129]], align 8
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// LA32-NEXT: [[TMP0:%.*]] = load i8, ptr [[L7]], align 1
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// LA32-NEXT: [[LOADEDV:%.*]] = trunc i8 [[TMP0]] to i7
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// LA32-NEXT: call void @pass_BitInt7(i7 noundef signext [[LOADEDV]])
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// LA32-NEXT: [[TMP1:%.*]] = load i128, ptr [[L65]], align 8
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// LA32-NEXT: [[LOADEDV1:%.*]] = trunc i128 [[TMP1]] to i65
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// LA32-NEXT: [[STOREDV:%.*]] = sext i65 [[LOADEDV1]] to i128
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// LA32-NEXT: store i128 [[STOREDV]], ptr [[BYVAL_TEMP]], align 8
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// LA32-NEXT: call void @pass_BitInt65(ptr noundef [[BYVAL_TEMP]])
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// LA32-NEXT: [[TMP2:%.*]] = load i192, ptr [[L129]], align 8
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// LA32-NEXT: [[LOADEDV2:%.*]] = trunc i192 [[TMP2]] to i129
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// LA32-NEXT: [[STOREDV4:%.*]] = sext i129 [[LOADEDV2]] to i192
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// LA32-NEXT: store i192 [[STOREDV4]], ptr [[BYVAL_TEMP3]], align 8
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// LA32-NEXT: call void @pass_BitInt129(ptr noundef [[BYVAL_TEMP3]])
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// LA32-NEXT: ret void
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//
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// LA64-LABEL: define dso_local void @example_BitInt(
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// LA64-SAME: ) #[[ATTR0:[0-9]+]] {
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// LA64-NEXT: [[ENTRY:.*:]]
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// LA64-NEXT: [[L7:%.*]] = alloca i8, align 1
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// LA64-NEXT: [[L65:%.*]] = alloca i128, align 8
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// LA64-NEXT: [[L129:%.*]] = alloca [24 x i8], align 8
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// LA64-NEXT: [[BYVAL_TEMP:%.*]] = alloca [24 x i8], align 8
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// LA64-NEXT: store i8 0, ptr [[L7]], align 1
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// LA64-NEXT: store i128 0, ptr [[L65]], align 8
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// LA64-NEXT: store i192 0, ptr [[L129]], align 8
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// LA64-NEXT: [[TMP0:%.*]] = load i8, ptr [[L7]], align 1
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// LA64-NEXT: [[LOADEDV:%.*]] = trunc i8 [[TMP0]] to i7
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// LA64-NEXT: call void @pass_BitInt7(i7 noundef signext [[LOADEDV]])
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// LA64-NEXT: [[TMP1:%.*]] = load i128, ptr [[L65]], align 8
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// LA64-NEXT: [[LOADEDV1:%.*]] = trunc i128 [[TMP1]] to i65
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// LA64-NEXT: call void @pass_BitInt65(i65 noundef [[LOADEDV1]])
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// LA64-NEXT: [[TMP2:%.*]] = load i192, ptr [[L129]], align 8
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// LA64-NEXT: [[LOADEDV2:%.*]] = trunc i192 [[TMP2]] to i129
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// LA64-NEXT: [[STOREDV:%.*]] = sext i129 [[LOADEDV2]] to i192
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// LA64-NEXT: store i192 [[STOREDV]], ptr [[BYVAL_TEMP]], align 8
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// LA64-NEXT: call void @pass_BitInt129(ptr noundef [[BYVAL_TEMP]])
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// LA64-NEXT: ret void
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//
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void example_BitInt(void) {
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_BitInt(7) l7 = {0};
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_BitInt(65) l65 = {0};
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_BitInt(129) l129 = {0};
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pass_BitInt7(l7);
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pass_BitInt65(l65);
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pass_BitInt129(l129);
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}
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// LA32-LABEL: define dso_local signext i7 @return_large_BitInt7(
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// LA32-SAME: ) #[[ATTR0]] {
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// LA32-NEXT: [[ENTRY:.*:]]
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// LA32-NEXT: ret i7 0
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//
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// LA64-LABEL: define dso_local signext i7 @return_large_BitInt7(
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// LA64-SAME: ) #[[ATTR0]] {
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// LA64-NEXT: [[ENTRY:.*:]]
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// LA64-NEXT: ret i7 0
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//
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_BitInt(7) return_large_BitInt7(void) { return 0; }
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// LA32-LABEL: define dso_local void @return_large_BitInt65(
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// LA32-SAME: ptr dead_on_unwind noalias writable sret(i128) align 8 [[AGG_RESULT:%.*]]) #[[ATTR0]] {
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// LA32-NEXT: [[ENTRY:.*:]]
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// LA32-NEXT: [[RESULT_PTR:%.*]] = alloca ptr, align 4
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// LA32-NEXT: store ptr [[AGG_RESULT]], ptr [[RESULT_PTR]], align 4
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// LA32-NEXT: store i128 0, ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: [[TMP0:%.*]] = load i128, ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: [[LOADEDV:%.*]] = trunc i128 [[TMP0]] to i65
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// LA32-NEXT: [[STOREDV:%.*]] = sext i65 [[LOADEDV]] to i128
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// LA32-NEXT: store i128 [[STOREDV]], ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: ret void
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//
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// LA64-LABEL: define dso_local i65 @return_large_BitInt65(
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// LA64-SAME: ) #[[ATTR0]] {
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// LA64-NEXT: [[ENTRY:.*:]]
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// LA64-NEXT: ret i65 0
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//
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_BitInt(65) return_large_BitInt65(void) { return 0; }
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// LA32-LABEL: define dso_local void @return_large_BitInt129(
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// LA32-SAME: ptr dead_on_unwind noalias writable sret(i192) align 8 [[AGG_RESULT:%.*]]) #[[ATTR0]] {
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// LA32-NEXT: [[ENTRY:.*:]]
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// LA32-NEXT: [[RESULT_PTR:%.*]] = alloca ptr, align 4
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// LA32-NEXT: store ptr [[AGG_RESULT]], ptr [[RESULT_PTR]], align 4
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// LA32-NEXT: store i192 0, ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: [[TMP0:%.*]] = load i192, ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: [[LOADEDV:%.*]] = trunc i192 [[TMP0]] to i129
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// LA32-NEXT: [[STOREDV:%.*]] = sext i129 [[LOADEDV]] to i192
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// LA32-NEXT: store i192 [[STOREDV]], ptr [[AGG_RESULT]], align 8
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// LA32-NEXT: ret void
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//
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// LA64-LABEL: define dso_local void @return_large_BitInt129(
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// LA64-SAME: ptr dead_on_unwind noalias writable sret([24 x i8]) align 8 [[AGG_RESULT:%.*]]) #[[ATTR0]] {
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// LA64-NEXT: [[ENTRY:.*:]]
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// LA64-NEXT: [[RESULT_PTR:%.*]] = alloca ptr, align 8
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// LA64-NEXT: store ptr [[AGG_RESULT]], ptr [[RESULT_PTR]], align 8
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// LA64-NEXT: store i192 0, ptr [[AGG_RESULT]], align 8
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// LA64-NEXT: [[TMP0:%.*]] = load i192, ptr [[AGG_RESULT]], align 8
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// LA64-NEXT: [[LOADEDV:%.*]] = trunc i192 [[TMP0]] to i129
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// LA64-NEXT: [[STOREDV:%.*]] = sext i129 [[LOADEDV]] to i192
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// LA64-NEXT: store i192 [[STOREDV]], ptr [[AGG_RESULT]], align 8
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// LA64-NEXT: ret void
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//
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_BitInt(129) return_large_BitInt129(void) { return 0; }

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